swap_horiz Need milliliters to teaspoons instead?

1 Teaspoon to Milliliters

1 teaspoon is 4.93 milliliters. See the step-by-step breakdown and reference table below, or try a different value in the calculator.

1 tsp = 4.93 mL
tsp × 4.928922 = mL
Try: 2 tsp to mL 6 tsp to mL
1 tsp is also
1 tsp = 0.004929 L 1 tsp = 0.001302 gal 1 tsp = 0.0208 cup 1 tsp = 0.1667 fl oz 1 tsp = 0.0104 pt 1 tsp = 0.005208 qt 1 tsp = 0.3333 tbsp
tsp
4.93 mL

Step-by-Step Calculation

tsp × 4.928922 = mL
  1. Start with 1 tsp
  2. Multiply by 4.928922: 1 × 4.928922 = 4.93
  3. Result: 1 tsp = 4.93 mL

This conversion factor (4.928922) is the same for every teaspoon to milliliter calculation.

Teaspoon to Milliliter Conversion Table

Teaspoons (tsp) Milliliters (mL)
1 tsp 4.93 mL
2 tsp 9.86 mL
5 tsp 24.64 mL
10 tsp 49.29 mL
15 tsp 73.93 mL
20 tsp 98.58 mL
25 tsp 123.22 mL
50 tsp 246.45 mL
75 tsp 369.67 mL
100 tsp 492.89 mL
250 tsp 1,232.23 mL
500 tsp 2,464.46 mL
1,000 tsp 4,928.92 mL
calculate Teaspoon to Milliliter Converter swap_horiz Milliliter to Teaspoon Converter functions Teaspoon to Milliliter Formula water_drop All Volume / Capacity Conversions

Frequently Asked Questions

1 teaspoon equals 4.93 milliliters.
The formula is: tsp × 4.928922 = mL. See the tsp to mL formula page for worked examples.
Use the milliliters to teaspoon converter. The reverse formula is: mL × 0.202884 = tsp.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (tsp × 4.928922 = mL) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026